36 lines
785 B
Ruby
36 lines
785 B
Ruby
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# Factory pattern is one of most used design pattern in Object oriented design.
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# This type of design pattern comes under creational pattern as this pattern
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# provides one of the best ways to create an object. In Factory pattern, we
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# create object without exposing the creation logic to the client and refer to
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# newly created object using a common interface.
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# Classes witch are used in factory
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class Rectangle
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# Implementation
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end
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class Square
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# Implementation
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end
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class Circle
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# Implementation
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end
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# Factory
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class ShapeFactory
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def get_shape(type)
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case type
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when :rectangle then Rectangle.new
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when :square then Square.new
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when :circle then Circle.new
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end
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end
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end
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# Usage
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shape_factory = ShapeFactory.new
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square = shape_factory.get_shape :square
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